TEST OF NEW ZEALAND PORTLAND CEMENT.
(rsou OCR OWN CORRESPONDENT.) Newmarket, May 28. The Portland cement manufactured by Mr. Decimus Atkinson has been tested by the Government District Engineer, with the result that a briquette broken at seven days gave a tensile strain of 3651 b. to the square inch. This is 751 b. in excess of the tensile strain required by the New Zealand Government, and also by the Metropolitan Board of Works, London, which is 2901 b. to the square inch. Mr. Atkinson’s cement weighs 1181 b. to the bushel, being 81b. more than the English standard. The accuracy of Mr. Kees’s former test at New Plymouth may be doubted.
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New Zealand Times, Volume XXXVI, Issue 6281, 30 May 1881, Page 3
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112TEST OF NEW ZEALAND PORTLAND CEMENT. New Zealand Times, Volume XXXVI, Issue 6281, 30 May 1881, Page 3
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